The measurement of tempe' safety research on rhizopus fermenting soyfood

Through some kinds of safety tests on tempe,it can be seen that letha l does LD50 15.0 g·kg-1,microkermel test,spermatocytes chromosome aberration t est,sperm malformation test and ames test all are negative. The content of Pb,As and AFB1 all are beneath the standard of nation food safety. So,tempe is a kind of safe food.